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Add regression test for issue #17780
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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT | ||
// file at the top-level directory of this distribution and at | ||
// http://rust-lang.org/COPYRIGHT. | ||
// | ||
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | ||
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | ||
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | ||
// option. This file may not be copied, modified, or distributed | ||
// except according to those terms. | ||
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#![feature(unboxed_closures, overloaded_calls)] | ||
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fn set(x: &mut uint) { *x = 5; } | ||
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fn main() { | ||
// By-ref captures | ||
{ | ||
let mut x = 0u; | ||
let _f = |&:| x = 42; | ||
//~^ ERROR cannot assign to data in a free | ||
// variable from an immutable unboxed closure | ||
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let mut y = 0u; | ||
let _g = |&:| set(&mut y); | ||
//~^ ERROR cannot borrow data mutably in a free | ||
// variable from an immutable unboxed closure | ||
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let mut z = 0u; | ||
let _h = |&mut:| { set(&mut z); |&:| z = 42; }; | ||
//~^ ERROR cannot assign to data in a | ||
// free variable from an immutable unboxed closure | ||
} | ||
// By-value captures | ||
{ | ||
let mut x = 0u; | ||
let _f = move |&:| x = 42; | ||
//~^ ERROR cannot assign to data in a free | ||
// variable from an immutable unboxed closure | ||
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let mut y = 0u; | ||
let _g = move |&:| set(&mut y); | ||
//~^ ERROR cannot borrow data mutably in a free | ||
// variable from an immutable unboxed closure | ||
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let mut z = 0u; | ||
let _h = move |&mut:| { set(&mut z); move |&:| z = 42; }; | ||
//~^ ERROR cannot assign to data in a free | ||
// variable from an immutable unboxed closure | ||
} | ||
} |
4d2ff43
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saw approval from pcwalton
at bkoropoff@4d2ff43
4d2ff43
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merging bkoropoff/rust/issue-17780 = 4d2ff43 into auto
4d2ff43
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bkoropoff/rust/issue-17780 = 4d2ff43 merged ok, testing candidate = 1b46b00
4d2ff43
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all tests pass:
success: http://buildbot.rust-lang.org/builders/auto-mac-32-opt/builds/1722
success: http://buildbot.rust-lang.org/builders/auto-mac-64-opt/builds/1719
success: http://buildbot.rust-lang.org/builders/auto-mac-64-nopt-c/builds/1713
success: http://buildbot.rust-lang.org/builders/auto-mac-64-nopt-t/builds/1719
success: http://buildbot.rust-lang.org/builders/auto-linux-32-opt/builds/1716
success: http://buildbot.rust-lang.org/builders/auto-linux-32-nopt-c/builds/1715
success: http://buildbot.rust-lang.org/builders/auto-linux-32-nopt-t/builds/1715
success: http://buildbot.rust-lang.org/builders/auto-linux-64-opt/builds/1719
success: http://buildbot.rust-lang.org/builders/auto-linux-64-nopt-c/builds/1713
success: http://buildbot.rust-lang.org/builders/auto-linux-64-nopt-t/builds/1712
success: http://buildbot.rust-lang.org/builders/auto-linux-64-x-android-t/builds/1715
success: http://buildbot.rust-lang.org/builders/auto-win-32-opt/builds/1373
success: http://buildbot.rust-lang.org/builders/auto-win-32-nopt-t/builds/1369
success: http://buildbot.rust-lang.org/builders/auto-win-32-nopt-c/builds/1373
success: http://buildbot.rust-lang.org/builders/auto-win-64-opt/builds/206
success: http://buildbot.rust-lang.org/builders/auto-win-64-nopt-t/builds/206
success: http://buildbot.rust-lang.org/builders/auto-win-64-nopt-c/builds/204
4d2ff43
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fast-forwarding master to auto = 1b46b00